Yep. Over 100 years now. 70 dogs is like eating a full size adult bowling bowl.
http://metrocosm.com/hot-dog-eating/How much is 70 hot dogs?
According to Nathan’s website, one of their hot dogs weighs 3.5 oz, and has 280 calories. That means 70 hot dogs weigh 15 pounds and have 19,600 calories.